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where and how to tell eclipse to add something to moc? [message #1850411]

Wed, 02 March 2022 06:58

michael bridges

Messages: 9
Registered: September 2021

Junior Member

g++ -std=gnu++11 -std=c++11 -I/usr/include/qt4/ -I/usr/include/qt4/QtWidgets -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtSerialPort -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/CGUI.d" -MT"src/CGUI.o" -o "src/CGUI.o" "../src/CGUI.cpp"
../src/CGUI.cpp:9:10: fatal error: CGUI.moc: No such file or directory
    9 | #include "CGUI.moc"

i can find info on manualy making a makefile, but not where to add something to eclipse generated makefile.

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Re: where and how to tell eclipse to add something to moc? [message #1850414 is a reply to message #1850411]

Wed, 02 March 2022 08:36

Tauno Voipio

Messages: 742
Registered: August 2014

Senior Member

Your source file CGUI.cpp needs a header file CGUI.moc which seems to be missing.

This is probably a Qt issue, off-topic for CDT directly.

--

Tauno Voipio

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Re: where and how to tell eclipse to add something to moc? [message #1850435 is a reply to message #1850414]

Thu, 03 March 2022 00:31

michael bridges

Messages: 9
Registered: September 2021

Junior Member

off topic?
this is what came up, when i click new topic

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Re: where and how to tell eclipse to add something to moc? [message #1850436 is a reply to message #1850414]

Thu, 03 March 2022 00:45

michael bridges

Messages: 9
Registered: September 2021

Junior Member

Tauno Voipio wrote on Wed, 02 March 2022 08:36

Your source file CGUI.cpp needs a header file CGUI.moc which seems to be missing.

yes, CGUI.moc is missing, which is what i am trying to find out how to get eclipse to run moc, when compiling

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Re: where and how to tell eclipse to add something to moc? [message #1850437 is a reply to message #1850414]

Thu, 03 March 2022 01:15

michael bridges

Messages: 9
Registered: September 2021

Junior Member

Tauno Voipio wrote on Wed, 02 March 2022 08:36

Your source file CGUI.cpp needs a header file CGUI.moc which seems to be missing.

according to: https://doc.qt.io/qt-5/moc.html#writing-make-rules-for-invoking
"For anything but the simplest test programs, it is recommended that you automate running the moc. By adding some rules to your program's makefile, make can take care of running moc when necessary and handling the moc output."

eclipse auto-generates a makefile with each compile.

every time CGUI.cpp, CGUI.moc will change

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Re: where and how to tell eclipse to add something to moc? [message #1850448 is a reply to message #1850437]

Thu, 03 March 2022 11:28

David Vavra

Messages: 1426
Registered: October 2012

Senior Member

gcc couldn't find it. So it either doesn't exist or you neglected to
tell gcc the directory containing it (with -I <whatever>).

If it must be generated by a special tool
then you will need to write your own makefile
unless you can execute it as a prebuild step
which will cause a rebuild every time.

Eclipse/CDT didn't cause this.
Yes, it's off-topic.
This forum I'd for addressing issues with CDT itself
and not for fixing project related problems.

[Updated on: Thu, 03 March 2022 11:39]

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